Isbn.md

Isbn

• v::isbn()

Validates whether the input is a valid ISBN or not.

v::isbn()->isValid('ISBN-13: 978-0-596-52068-7'); // true
v::isbn()->isValid('978 0 596 52068 7'); // true
v::isbn()->isValid('ISBN-12: 978-0-596-52068-7'); // false
v::isbn()->isValid('978 10 596 52068 7'); // false

Categorization

• Identifications

Changelog

Version	Description
2.0.0	Created

---

See also:

• Imei
• Luhn